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Mon, 25 Nov 2024 07:15:07 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241125071507epsmtrp29b66bfee5a18f9c38f5643a13d4bc316~LJMR52bbv0316003160epsmtrp25; Mon, 25 Nov 2024 07:15:07 +0000 (GMT) X-AuditID: b6c32a4a-c1fda70000004ddd-72-674430975f8d Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 75.55.19220.BF324476; Mon, 25 Nov 2024 16:15:07 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241125071505epsmtip1c600a3a362de2346338329f5f8a11561~LJMPdOokE0361903619epsmtip1t; Mon, 25 Nov 2024 07:15:05 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, anuj1072538@gmail.com, brauner@kernel.org, jack@suse.cz, viro@zeniv.linux.org.uk Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, linux-scsi@vger.kernel.org, vishak.g@samsung.com, linux-fsdevel@vger.kernel.org, Kanchan Joshi , Anuj Gupta Subject: [PATCH v10 08/10] nvme: add support for passing on the application tag Date: Mon, 25 Nov 2024 12:36:31 +0530 Message-Id: <20241125070633.8042-9-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241125070633.8042-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA02Te1BUVRzHO3evd3eppctrODJqO3cm2+W5aywdFCKT8kZW2GMYa4rusLdd ZLm7s3dXMcdxlZZK5WUQgmAgjQxQEU8RWAZBIEiQgYmEUkAhLIIJGJEZBmmXi+V/n9/vfL/n 9/udh0TkeZvwkyRyFtbMMQaKcMMbOpSKoDxVtE514n4Emr+/gqOTWasiVFjRAFDlrUwCzXQs ADTSdgVD5ZWdGJqz9+PofF4qhjrXZgl0tn0YIMdoAGpx9ODom0tTYnT610YClXU/xNCN1e5N 6EZBofglT/pKwS0xPdRnpWsqviTo2m+P080jNoKenxrF6Yy6CkBfL74mphdrttE1k7NYrNv7 SRF6ltGyZjnLJRi1iZwuknr9nfg98ZowlTpIHY5eoOQck8xGUtH7YoNeTTQ4Z6LkhxiD1ZmK ZXieCnkxwmy0Wli53shbIinWpDWYQk3BPJPMWzldMMdadqpVqh0ap/DjJH125YTYVPdkSt9U LWYDndJTQCqBZCgc/7GZcLEn2QzgubPYKeDm5AUAh/p+EwsLSwD+Pf3JI4P9Tr1IEDkAvNy2 JhaCRQCbKjIxl4ogn4PXpu3AteBNtgCYXvIz7gpEZBYGi/PqRC6VF7kfFi014C7GyWfh4J9r 624ZieBndx7gQr1nYP7gg/U+pGQ4nE1rwwWNB+zJn1xnkVOTWn9+vSdI3pTAvns5mGCOhmVd NiCwF/yru04ssB9cnHMQAuvg8tDUht4EU7taN/RR0N6b6dxU4iyghFVNIUJ6K8zt/QET6rrD 9JXJDasMNl54xBT8vLxwgyF09Ns2mIbZMwO4cFxnAOwYmMCzgLzgsXkKHpun4P/SxUBUATaz Jj5Zx/Ia0w6OPfzfNScYk2vA+kP3j2kEE+P/BLcDTALaAZSIKG+Zu+8enadMyxz5lDUb481W A8u3A43zwLNFfj4JRudP4Szx6tBwVWhYWFho+PNhaspXNmMv0nqSOsbCJrGsiTU/8mESqZ8N a9y/+xWN1isn44Kia6rdt5KbL9v7xHjc4R7iwMsD5a3Hmlpj31COtliOVg+m7d5yhL/7dvmH 3x13myhennQEDr+7bVi6NeBpSrM6/keJKq2eTzjIBtaW7moc2957/aeJlM1Vd2sXGrC4S7v4 /vGy7bK9q2euPnXsPXfqwL4YvXS6qMl+Nf1gX9WKWV2KGqJCprGAi6kXz7UY9NhbiwOvmb9a Cokd83Y3bYk6sbNEM5B2mfn6I6uubFrh8ebvwQ91hSNM7gd1Mb/kV/sPfq9IWsbnePkhQmk7 yimayw0yn5uDxO3q0xmBY3NzOSW+UeAeSFX6pJws9YhTNH8Bc2c3pSsxCuf1jNpfZOaZfwH2 qVcvcQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprKIsWRmVeSWpSXmKPExsWy7bCSnO5vZZd0g7mnTSw+fv3NYtE04S+z xZxV2xgtVt/tZ7N4ffgTo8XNAzuZLFauPspk8a71HIvF7OnNTBZH/79ls5h06Bqjxd5b2hZ7 9p5ksZi/7Cm7Rff1HWwWy4//Y7I4//c4q8X5WXPYHYQ8ds66y+5x+Wypx6ZVnWwem5fUe+y+ 2cDm8fHpLRaPvi2rGD3OLDjC7vF5k5zHpidvmQK4orhsUlJzMstSi/TtErgyJq5+yF6whbvi 7NPNTA2MRzm7GDk5JARMJFofbWXuYuTiEBLYzSgx6/4MJoiEhMSpl8sYIWxhiZX/nrNDFH1k lNhybT9Ygk1AXeLI81YwW0TgBKPE/IluIEXMAjOYJH7/WcACkhAW8JfYOOUEmM0ioCpx6eV/ sA28AhYSLY++s0BskJeYeek7O4jNKWAp8bbtAFhcCKhmVudKVoh6QYmTM5+AxZmB6pu3zmae wCgwC0lqFpLUAkamVYySqQXFuem5xYYFRnmp5XrFibnFpXnpesn5uZsYwTGnpbWDcc+qD3qH GJk4GA8xSnAwK4nw8ok7pwvxpiRWVqUW5ccXleakFh9ilOZgURLn/fa6N0VIID2xJDU7NbUg tQgmy8TBKdXAtODahuqDRdWZy09ohrTu+7Zg2vsTHB8XPWfOXBiy+/z/ntV3HphqvuW883KV +6fzDWdWHdmrz+CTsituX+azRTwhIdbnpi7dyL9z4UMrJvnYNW+Kmqos13zpY5sWEND+brl5 rGB4qNgcj+9VM981rE8wfVKU38kbor786n0me7P7Xxvf3Dv7Mvvt/I/n1Zyfua/zNzgmse1j 48/2aau99v4x+uTlWidRuvv4c4vj/brR4R0a0YuZ5249LXDBauPzurkl4qEzddzteeMDK07o d1aHznKbFf3Aa5km6+cDp4r3vtaZ1xQuZqyqFbLSVnOBojEHM0PW9tA9mSmazYd27VgnXLwj LOCjXTNruOePd0osxRmJhlrMRcWJAIiWypgoAwAA X-CMS-MailID: 20241125071507epcas5p3b898d0960fb411cd176aea29029d820a X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241125071507epcas5p3b898d0960fb411cd176aea29029d820a References: <20241125070633.8042-1-anuj20.g@samsung.com> From: Kanchan Joshi With user integrity buffer, there is a way to specify the app_tag. Set the corresponding protocol specific flags and send the app_tag down. Reviewed-by: Christoph Hellwig Signed-off-by: Anuj Gupta Signed-off-by: Kanchan Joshi Reviewed-by: Keith Busch --- drivers/nvme/host/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index e4e3653c27fb..571d4106d256 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -885,6 +885,12 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req, return BLK_STS_OK; } +static void nvme_set_app_tag(struct request *req, struct nvme_command *cmnd) +{ + cmnd->rw.lbat = cpu_to_le16(bio_integrity(req->bio)->app_tag); + cmnd->rw.lbatm = cpu_to_le16(0xffff); +} + static void nvme_set_ref_tag(struct nvme_ns *ns, struct nvme_command *cmnd, struct request *req) { @@ -1025,6 +1031,10 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns, control |= NVME_RW_APPEND_PIREMAP; nvme_set_ref_tag(ns, cmnd, req); } + if (bio_integrity_flagged(req->bio, BIP_CHECK_APPTAG)) { + control |= NVME_RW_PRINFO_PRCHK_APP; + nvme_set_app_tag(req, cmnd); + } } cmnd->rw.control = cpu_to_le16(control);